Brief History

Welcome to Overhaul Division of HAL (Bangalore Complex).

Overhaul
Division, one of the oldest Divisions of HAL was established in
December 1940, has been involved from early days in the growth of
aircraft industry in India. Between 1942 and 1945, the Division
maintained and repaired varieties of aircraft like Liberator, Fortress,
Mitchell, Dakota, Curtis Commando and PSY Catalina amphibian aircraft.
After 1947, the Division oriented its activities to Major Overhaul of
aircraft of Indian Air Force and Indian Navy and rendering 1st and 2nd
Line Maintenance support to aircraft at various IAF and Naval Bases.

The
Division, with over 70 years of experience in aircraft MRO has serviced
over 4000 aircraft of different types and over 6500 Piston Engines.

The
Division has since emerged as a world class MRO agency for the
maintenance and servicing of state-of-the-art Military aircraft, Piston
engine and associated accessories. It also renders highly competent
maintenance and retrofit support at user’s works.

Currently it is
the only Organization authorized to undertake Major Inspection of
Mirage 2000 aircraft outside France. The Division is currently exporting
its products and services to Malaysia, Mauritius and Oman.

Spread
over an area of more than 10 hectares of land, Overhaul Division is
empowered by a highly skilled workforce comprising of more than 1000
personnel supported by over 250 well qualified and experienced
Executives.

The Division has a well equipped Accessories Repair /
Overhaul Centre with excellent infrastructure to handle sophisticated
Mechanical, Pneumatic and Avionic accessories. Highly sensitive testing
equipment are employed during Repair / Overhaul of over 900 types of
system accessories.

The NDT facilities available in the Division include state of the art equipment and approved manpower for identification of surface and sub-surface / internal discontinuities employing the following methods :

Ultrasonic Testing

Phased Array Ultrasonic Technique

Magnetic Particle Inspection

Eddy Current Testing

Liquid Penetrant Inspection

X-Ray / Radiography

Selective Electroplating Process

Overhaul Division has facilities to carry out the following two types of selective electroplating processes :

The Division carries out calibration of these instruments for other Divisions of HAL and Civil Aviation customers.

Recharging of Liquid Oxygen

Overhaul Division caters to the requirements of Defense Customers and Civil Aviation customers for recharging of Liquid Oxygen Converters.

Reconditioning / Rebuilding of Batteries

Division has built-in facilities for reconditioning and recharging of Batteries required for different aircraft including commercial batteries.

Condition Monitoring Systems

Special facilities exist in the Division for carrying out Contamination Checks on Hydraulic Fluids specification MIL 5606H, aviation turbine fuel DERD 2492. These Contamination checks are carried out not only for internal customers, but also for other external agencies like NAL for their SARAS programme. This helps in estimation of wear rate-life of aircraft components. Facility also exists to check the water content in oil with the help of advanced technology using LASER.

Paint Removal/Painting

Division has built-in facilities both for Paint Removal and special Paint Booths to carry out painting under various painting schemes as applicable for Aircraft and Accessories. All the processes followed at Overhaul Division are Environment Friendly and ISO14001:2004 Certified.

Overhaul Division has partnerships with a number of Approved and Accredited suppliers apart from Original Equipment Manufacturers (OEMs)

Stringent Quality Control Checks are ensured during the approval / acceptance of outsourced components.

Outsourcing is resorted for :

Fabrication of project spares identified.

Manufacture of Ground Handling Equipment and Ground Support Equipment.

Fabrication of Tools and Fixtures.

Calibration of Gauges.

Jig referencing and Plating Operations.

Indigenous Manufacture of Components

Overhaul Division also manufactures some of the Aircraft and Helicopter components in-house.

Accreditation

Overhaul Division has been accredited with AS 9100C Quality Management Systems certificate by DEKRA Certification.

Overhaul Division has been certified with ISO 14001:2004 Environmental Management Systems by BIS.

Awards

The Division is Honoured with a special award from the Chief of Air Staff, IAF in Nov 2002 in recognition of its yeoman services.

The Division bagged the “Best Customer Services Award” for the year 2002-2003.

The Division is Honoured with Safety Award “Utthama Surakasha Puraskara" by National Safety Council Karnataka Chapter, Bangalore for Best Safety Performance and Management Systems during the year 2009-2010.

Apart from the various services rendered by Overhaul Division, it also undertakes supply of Ground Servicing, Ground Handling and Test Equipment such as :

Ground Power Unit (GPU)

Aircraft Towing Arm

Hydraulic Recycling Rig

Air Conditioning Rig

Liquid Oxygen Dispenser

Pyrometric Test Set

IFF Tester

Pilot Access Ladder for Mirage 2000

Major Servicing of Aircraft

For over seven decades, Overhaul Division has been a leading Military Aircraft Maintenance, Repair and Overhaul organization in India. Spread over an area of 10 hectares of land, our maintenance facilities comprise of 5 Hangars and 16 Independent Bays exclusively for offering MRO services to aircraft and accessories. All hangars are equipped with modern Ground Support, Ground Handling Equipment and Testers conforming to the DGAQA specifications. We also possess a runway adjacent to our Division convenient to conduct Taxi Checks, Flight Trials etc.

With such extensive and efficient facilities, we are able to provide total Maintenance, Repair and Overhaul Support to aircraft ranging from Piston Engine aircraft to the State-of-the-Art aircraft like Mirage 2000.

We also undertake the compliance of the Company Special Technical Instruction (CSTI), Company Service Instruction (CSI) and Compliance of Modifications as per Standard of Preparation (SOP) for Enhancement of Role and Life of the aircraft components and to ensure Reliability. The Engineering Support and Maintenance activities are rendered by a host of highly skilled technicians and qualified Engineers trained at various Original Equipment Manufacturers.

Maintenance Support to Customers on site

Overhaul Division provides maintenance support to Military aircraft at various Customer bases of IAF and also the Kiran and Sea Harrier Aircraft at Goa Naval base.

In addition to the maintenance of aircraft at Outstation Bases, the Division also undertakes the repair of Aircraft, Engines, Retro-Compliance of Modifications and Snag Rectification at the Operating Units on ‘as and when’ required basis.

Aircraft MRO

JAGUAR AIRCRAFT

Major Servicing of Jaguar Aircraft and Accessories.

Deputation of Technical Experts for I and II line Servicing at Jaguar Aircraft Operating bases.